package com.ks.controller;

import com.ks.pojo.Dept;
import com.ks.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/*
|---------------------------------------------------
|
|   提供 Restful 服务
|
|===================================================
 */

@RestController
public class DeptController {

    @Autowired
    private DeptService deptService;

    // 获取一些配置信息，得到具体的微服务
    @Autowired
    private DiscoveryClient client;

    @PostMapping("/dept/add")
    public boolean addDept(@RequestBody Dept dept){

        return deptService.addDept(dept);

    }

    @GetMapping("/dept/get/{id}")
    public Dept get(@PathVariable("id") Long id){

        final Dept dept = deptService.queryById(id);

        if (dept==null){
            throw new RuntimeException("id=>"+id+"的用户不存在~");
        }
        return dept;
    }

    @GetMapping("/dept/getall")
    public List<Dept> getAll(){

        return deptService.queryAll();

    }

    // 对 --- 注册进来的 微服务 ---> 获取注册信息
    @GetMapping("/dept/discovery")
    public Object discovery() {
        // 获取微服务列表的清单
        List<String> services = client.getServices();
        System.out.println("discovery=>services:" + services);
        // 得到一个具体的微服务信息,通过具体的微服务id，applicaioinName；
        List<ServiceInstance> instances = client.getInstances("KS-PROVIDER-DEPT");
        for (ServiceInstance instance : instances) {
            System.out.println(
                    instance.getHost() + "\t" + // 主机名称
                            instance.getPort() + "\t" + // 端口号
                            instance.getUri() + "\t" + // uri
                            instance.getServiceId() // 服务id
            );
        }
        return this.client;
    }





}
